Is shale gas extraction safe? Researchers give their verdict - video

Two researchers from
The Energy Institute at the University of Texas, Austin, discuss their report into the possible environmental effects of hydraulic fracturing. This is the controversial technology that the energy industry hopes to use to expand natural gas production in the US, Canada and elsewhere

Source: Courtesy of AAAS

Thursday 16 February 2012 15.00 EST
First published on Thursday 16 February 2012 15.00 EST